RESEARCH METHODOLOGY

STATISTICAL TECHNIQUES AND TOOLS

TESTS OF SIGNIFICANCE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The manager of a sporting goods store offered a bonus commission to his salespeople when they sold more goods. A new manager dropped the bonus system. For a random sample of six sales, the weeks sales (in thousands of dollars) were 3.7 with the bonus, SD of .15, and 3.3 without the bonus, SD of .21. Does this imply that sales dropped when the bonus system was discontinued?
A
1 sample t-test
B
2 sample t-test
C
1 proportion z-test
D
2 proportion z-test
Explanation: 
There is 1 question to complete.